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Head OIAN

Head muscles OIAN

MuscleOrigin - OInsertion - IAction - ANerve - NGroup/Location
Longus colli (Prevertebral) Bodies & transverse processes of C3-T2 Transverse processes & bodies of C1-C6 Flex neck Prevertebral muscle
Longus capitis (Prevertebral) Transverse processes of C3-C6 Occipital bone Flex head Prevertebral muscle
Rectus capitis anterior (Prevertebral) Atlas Occipital bone Flex head Prevertebral muscle
Rectus capitis lateralis (Prevertebral) Transverse process of atlas Occipital bone Laterally bend head Prevertebral muscle
Platysma (Superficial cervical) N/A N/A Draws lower lip down & out, tensing skin over neck Mouth & hyoid bone / Superficial cervical
Digastric (Suprahyoid) N/A N/A Raises hyoid bone and/or tongue Mouth & hyoid bone / Suprahyoid
Stylohyoid (Suprahyoid) N/A N/A Raises hyoid bone and/or tongue Mouth & hyoid bone / Suprahyoid
Mylohyoid (Suprahyoid) N/A N/A Raises hyoid bone and/or tongue Mouth & hyoid bone / Suprahyoid
Gleniohyoid (Suprahyoid) N/A N/A Raises hyoid bone and/or tongue Mouth & hyoid bone / Suprahyoid
Sternothyroid (Infrahyoid) N/A N/A Lowers hyoid bone Mouth & hyoid bone / Infrahyoid
Sternohyoid (Infrahyoid) N/A N/A Lowers hyoid bone Mouth & hyoid bone / Infrahyoid
Thyrohyoid (Infrahyoid) N/A N/A Lowers hyoid bone Mouth & hyoid bone / Infrahyoid
Omohyoid (Infrahyoid) N/A N/A Lowers hyoid bone Mouth & hyoid bone / Infrahyoid
Obliquus capitis superior (Suboccipital) N/A N/A Head extension Posterior, Suboccipital Muscles
Obliquus capitis inferior (Suboccipital) N/A N/A Head extension, lateral bending, & rotation to the same side Posterior, Suboccipital Muscles
Rectus capitis posterior minor (Suboccipital) N/A N/A Head extension Posterior, Suboccipital Muscles
Rectus capitis posterior major (Suboccipital) N/A N/A Head extension, lateral bending, & rotation to the same side Posterior, Suboccipital Muscles
Semispinalis (Transversospinalis) Span 5+ vertebrae N/A Extend & rotate trunk Spinal Nerves Posterior, most superficial
Rotatores (Transversospinalis) Span 2-4 vertebrae N/A Extend & rotate trunk Spinal Nerves Posterior, most deep & shortest
Multifidus (Transversospinalis) Span 1 vertebrae N/A Extend & rotate trunk to opposite side Spinal Nerves Posterior, lies underneath the semispinalis
Created by: srussel